This shows grade level based on the word's complexity.
accelerator
[ ak-sel-uh-rey-ter ]
/ ækˈsɛl əˌreɪ tər /
Save This Word!
This shows grade level based on the word's complexity.
noun
QUIZ
WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?
Smoothly step over to these common grammar mistakes that trip many people up. Good luck!
Question 1 of 7
Fill in the blank: I can’t figure out _____ gave me this gift.
Origin of accelerator
Words nearby accelerator
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use accelerator in a sentence
British Dictionary definitions for accelerator
accelerator
/ (ækˈsɛləˌreɪtə) /
noun
a device for increasing speed, esp a pedal for controlling the fuel intake in a motor vehicle; throttle
Also called (not in technical usage): atom smasher physics a machine for increasing the kinetic energy of subatomic particles or atomic nuclei and focusing them on a target
chem a substance that increases the speed of a chemical reaction, esp one that increases the rate of vulcanization of rubber, the rate of development in photography, the rate of setting of synthetic resins, or the rate of setting of concrete; catalyst
economics (in an economy) the relationship between the rate of change in output or sales and the consequent change in the level of investment
anatomy a muscle or nerve that increases the rate of a function
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012